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Full Discussion: su command without password prompt to non-root account
Top Forums UNIX for Advanced & Expert Users su command without password prompt to non-root account Post 302272949 by royale-sojin on Friday 2nd of January 2009 01:22:12 AM
Old 01-02-2009
Bug su command without password prompt to non-root account
Hello. I searched the internet for answers and don't seem to find any for about a day now.

My problem. I want to su to a non-root account non-interactively, e.g. if I want to temporarily become prdusr, I want to su prdusr without keying prdusr's password every time.

What I want is something that works like sudo -S command where I can pipe a protected password file into sudo -S.

e.g. root has granted prdusr the power to kill any job so right now I can run script with the following commands to kill job without any password prompt :

cat passwd.txt | sudo -S prdusr kill $PID (where passwd.txt contains prdusr's password and $PID contains the process id to be killed)

I want to be able to switch to prdusr using similar strategy without the password prompt everytime.

Doesn't look like I can do this as most answers I found on the internet is for su root only.
 

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LEARN ABOUT XFREE86

vipw

vipw(1B)					     SunOS/BSD Compatibility Package Commands						  vipw(1B)

NAME

       vipw - edit the password file

SYNOPSIS

       /usr/ucb/vipw

DESCRIPTION

       vipw edits the password file while setting the appropriate locks, and does any necessary processing after the password file is unlocked. If
       the password file is already being edited, then you will be told to try again later.  The vi(1) editor will be used unless the  environment
       variable VISUAL or EDITOR indicates an alternate editor.

       vipw performs a number of consistency checks on the password entry for root, and will not allow a password file with a "mangled" root entry
       to be installed.  It also checks the /etc/shells file to verify the login shell for root.

FILES

       /etc/ptmp

       /etc/shells

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       passwd(1), vi(1), passwd(4), attributes(5)

SunOS 5.10							    14 Sep 1992 							  vipw(1B)
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